The Siemens 3RH1921-1KA11 is an auxiliary contact block designed for use with 3RT1 contactors.It features one normally open (NO) and one normally closed (NC) contact, providing additional switching capabilities
for various control applications.This compact and versatile component is constructed with screw terminals for easy wiring and is part of Siemens' Sirius product line.
Product Parameters
Article Number: 3RH1921-1KA11
Product Description: Second lateral auxiliary switch, 1 NO, 1 NC, screw terminal, for contactors 3RT1
Product Family:Instantaneous
Product Lifecycle (PLM): PM300:Active Product
Mounting Type: Screw
Number of Poles: 2 (1 NO, 1 NC)
Terminal Type: Screw
Product Advantages
Reliability: Engineered to meet Siemens' high quality standards, ensuring long-term performance and durability.
Versatility: Compatible with 3RT1 contactors, providing flexible control options for a wide range of applications.
Easy Installation: Screw terminals facilitate quick and simple wiring.
Compact Design: Saves space in control panels.
Global Availability: Part of Siemens' extensive product portfolio, readily available worldwide.
Precautions
Compatibility: Always verify compatibility with your specific 3RT1 contactor before installation.
Wiring: Follow the manufacturer's instructions for correct wiring to prevent electrical hazards.
Environmental Conditions: Consider the operating environment, such as temperature and humidity, to ensure optimal performance.
Maintenance: Regular inspection and maintenance are recommended to maintain product reliability.
Applications
Motor Control: Used to provide auxiliary contacts for motor starters and other motor control applications.
Automation Systems: Incorporated into automation systems for various control functions, such as interlocking, signaling, and safety circuits.
Industrial Machinery: Found in a wide range of industrial machinery, including packaging equipment, material handling systems, and production lines.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
